/*
 * Copyright (C) 2008 ZXing authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package cn.edu.xjtu.nbrash.xbarsuite.result;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import android.app.Activity;
import android.content.Context;
import android.net.wifi.WifiManager;
import android.os.AsyncTask;
import android.util.Log;
import android.widget.Toast;

import com.google.zxing.client.android.R;
import com.google.zxing.client.android.wifi.WifiConfigManager;
import com.google.zxing.client.result.ParsedResult;
import com.google.zxing.client.result.WifiParsedResult;

/**
 * Handles wifi access information.
 *
 * @author Vikram Aggarwal
 * @author Sean Owen
 * 
 * @mender Jingkai Tang jingkaitang@gmail.com
 */
public final class WifiResultHandler extends ResultHandler {

	private static final String TAG = WifiResultHandler.class.getSimpleName();

	public WifiResultHandler(Activity activity, ParsedResult result) {
		super(activity, result);
	}

	@Override
	public int getButtonCount() {
		// We just need one button, and that is to configure the wireless. This
		// could change in the future.
		return 1;
	}

	@Override
	public int getButtonText(int index) {
		return R.string.button_wifi;
	}

	@Override
	public List<Map<String, String>> getData() {
		String ssid = getString(cn.edu.xjtu.nbrash.xbarsuite.R.string.ssid);
		String networkEncryption = getString(cn.edu.xjtu.nbrash.xbarsuite.R.string.networkEncryption);
		String password = getString(cn.edu.xjtu.nbrash.xbarsuite.R.string.password);
		String hidden = getString(cn.edu.xjtu.nbrash.xbarsuite.R.string.hidden);
		WifiParsedResult result = (WifiParsedResult) getResult();
		List<Map<String, String>> list = new ArrayList<>();
		putInData(ssid, result.getSsid(), list);
		putInData(networkEncryption, result.getNetworkEncryption(), list);
		putInData(password, result.getPassword(), list);
		putInData(
				hidden,
				result.isHidden() ? getString(cn.edu.xjtu.nbrash.xbarsuite.R.string.bool_true)
						: getString(cn.edu.xjtu.nbrash.xbarsuite.R.string.bool_false),
				list);
		return list;
	}

	// Display the name of the network and the network type to the user.
	@Override
	public CharSequence getDisplayContents() {
		WifiParsedResult wifiResult = (WifiParsedResult) getResult();
		return wifiResult.getSsid() + " (" + wifiResult.getNetworkEncryption()
				+ ')';
	}

	@Override
	public int getDisplayTitle() {
		return R.string.result_wifi;
	}

	@Override
	public int getIcon() {
		return cn.edu.xjtu.nbrash.xbarsuite.R.drawable.wifi;
	}

	@Override
	public void handleButtonPress(int index) {
		if (index == 0) {
			WifiParsedResult wifiResult = (WifiParsedResult) getResult();
			WifiManager wifiManager = (WifiManager) getActivity()
					.getSystemService(Context.WIFI_SERVICE);
			if (wifiManager == null) {
				Log.w(TAG, "No WifiManager available from device");
				return;
			}
			final Activity activity = getActivity();
			activity.runOnUiThread(new Runnable() {
				@Override
				public void run() {
					Toast.makeText(activity.getApplicationContext(),
							R.string.wifi_changing_network, Toast.LENGTH_SHORT)
							.show();
				}
			});
			new WifiConfigManager(wifiManager).executeOnExecutor(
					AsyncTask.THREAD_POOL_EXECUTOR, wifiResult);
		}
	}
}